How to uninstall or remove flashplugin-nonfree-extrasound software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed flashplugin-nonfree-extrasound package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove flashplugin-nonfree-extrasound

Uninstall flashplugin-nonfree-extrasound including dependent package

If you would like to remove flashplugin-nonfree-extrasound and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove flashplugin-nonfree-extrasound

Use Purging flashplugin-nonfree-extrasound

If you use with purge options to flashplugin-nonfree-extrasound package all the configuration and dependent packages will be removed.

$ sudo apt-get purge flashplugin-nonfree-extrasound

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove flashplugin-nonfree-extrasound